From 079ed6011a1febafef4bcb209c7433a415642d19 Mon Sep 17 00:00:00 2001
From: Unreal Hoang <unrealhoang@gmail.com>
Date: Thu, 16 May 2019 12:56:54 +0900
Subject: add feature doc

---
 docs/user/features.md | 33 +++++++++++++++++++++++++++++++--
 1 file changed, 31 insertions(+), 2 deletions(-)

(limited to 'docs')

diff --git a/docs/user/features.md b/docs/user/features.md
index a714574fb..22470bc56 100644
--- a/docs/user/features.md
+++ b/docs/user/features.md
@@ -390,14 +390,14 @@ fn foo() {
 
 - Move guard expression to match arm body
 ```rust
-//before:
+// before:
 fn f() {
     match x {
         <|>y @ 4 | y @ 5    if y > 5 => true,
         _ => false
     }
 }
-//after:
+// after:
 fn f() {
     match x {
         y @ 4 | y @ 5 => if y > 5 { <|>true },
@@ -406,6 +406,35 @@ fn f() {
 }
 ```
 
+- Move if condition to match arm guard
+```rust
+// before:
+fn f() {
+    let mut t = 'a';
+    let chars = "abcd";
+    match t {
+        '\r' => if chars.clone().next().is_some() {
+            t = 'e';<|>
+            false
+        },
+        _ => true
+    }
+}
+
+// after:
+fn f() {
+    let mut t = 'a';
+    let chars = "abcd";
+    match t {
+        '\r' <|>if chars.clone().next().is_some() => {
+            t = 'e';
+            false
+        },
+        _ => true
+    }
+}
+```
+
 ### Magic Completions
 
 In addition to usual reference completion, rust-analyzer provides some ✨magic✨
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